000 00399nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aCarter, J.F.
245 _aEvaluation of forage by the agronomic difference method and the chromogen-chro
260 _aNorth Dakota
260 _c1960
300 _a56 p.
440 _aNo. 426; Dakota N, Agricultura
901 _pS19752
942 _cB
_2udc
999 _c121737
_d121737